You basically need everything connected to the engine under the bonnet, and the full wiring loom + ECU & relays
DO NOT BUY AN ASHLEY EXHAUST - they are as sh!t as sh!t can be!!!!!

If you're handy with a welder (or even if you're pants like me) Grab the downpipe & manifold off the mk2 and you can have a perfectly fitting, near factory exhaust instead
http://www.golfgtiforum.co.uk/index.php?topic=44007.0PM me you're email address & I'll send you a very handy PDF file forwarded to me when I started mine

:embarassed: If it goes anything like my conversion you might want to keep hold of your old engine - I'm one problem away from fuc&ing the whole 16v idea off, ripping the engine out and going back to the 1600cc 8v

Gibby, bugger I forgot about that, I could have saved myself loads of typing
